Home / 778,967.20-1,168,450.80-737,632.90

Finding the Fourth Proportional to 778,967.20, 1,168,450.80 and 737,632.90

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Solution

The fourth proportional to 778,967.20, 1,168,450.80 and 737,632.90 is: 1,106,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,967.20 : 1,168,450.80 = 737,632.90 : x
  2. Step 2: Convert to fraction form
    778,967.20/1,168,450.80 = 737,632.90/x
  3. Step 3: Cross multiply
    778,967.20x = 1,168,450.80 × 737,632.90
  4. Step 4: Simplify right side
    778,967.20x = 861,887,752,111.32
  5. Step 5: Solve for x
    x = 861,887,752,111.32/778,967.20
  6. Step 6: Final answer
    x = 1,106,449.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.